[swc] Support auto import extends

.eslintignore

@@ -1 +1 @@
-fixture
+fixture

crates/swc-plugin-gem/Cargo.toml

@@ -15,7 +15,7 @@ lto = true
 node-resolve = { workspace = true }
 serde = { workspace = true, features = ["derive"] }
 serde_json = { workspace = true }
-swc_core = { workspace = true, features = ["ecma_plugin_transform"] }
+swc_core = { workspace = true, features = ["ecma_quote", "ecma_plugin_transform"] }
 swc_ecma_visit = { workspace = true }
 swc_common = { workspace = true, features = ["concurrent"] }
 swc_ecma_ast = { workspace = true }

crates/swc-plugin-gem/README.md

@@ -4,3 +4,31 @@
 - support [memo getter](https://github.com/tc39/proposal-decorators/issues/509#issuecomment-2226967170)
 - support minify style
 - resolve full path (for esm)
+
+# Example
+
+```json
+{
+  "$schema": "https://swc.rs/schema.json",
+  "jsc": {
+    "target": "es2024",
+    "parser": { "syntax": "typescript" },
+    "experimental": {
+      "plugins": [
+        [
+          "swc_plugin_gem",
+          {
+            "autoImport": {
+              "extends": "gem",
+              "members": {
+                "test": ["test"]
+              }
+            },
+            "autoImportDts": true
+          }
+        ]
+      ]
+    }
+  }
+}
+```

crates/swc-plugin-gem/package.json

@@ -1,6 +1,6 @@
 {
   "name": "swc-plugin-gem",
-  "version": "0.1.4",
+  "version": "0.1.5",
   "description": "swc plugin for Gem",
   "keywords": [
     "swc-plugin",

crates/swc-plugin-gem/src/lib.rs

@@ -4,29 +4,29 @@ use swc_core::ecma::visit::VisitMutWith;
 use swc_core::plugin::metadata::TransformPluginMetadataContextKind;
 use swc_core::plugin::{plugin_transform, proxies::TransformPluginProgramMetadata};
 use swc_ecma_ast::Program;
-use visitors::import::gen_once_dts;
-pub use visitors::import::import_transform;
+pub use visitors::import::{import_transform, AutoImport};
 pub use visitors::memo::memo_transform;
 pub use visitors::minify::minify_transform;
 pub use visitors::path::path_transform;
+pub use visitors::preload::preload_transform;
 
 mod visitors;
 
 #[derive(Deserialize, Debug, Clone, PartialEq, Default)]
-#[serde(rename_all = "camelCase")]
+#[serde(default, rename_all = "camelCase")]
 struct PluginConfig {
-    #[serde(default)]
     pub style_minify: bool,
-    #[serde(default)]
-    pub auto_import: bool,
-    #[serde(default)]
-    /// 在安装时会尝试读取 .swcrc 生成，有些项目没有 .swcrc 文件，需要在正式变异时生成
+    pub auto_import: AutoImport,
+    /// 写入当前目录的 src 目录中
     pub auto_import_dts: bool,
-    #[serde(default)]
     /// 配合 import map 直接使用 esm
     pub resolve_path: bool,
-    #[serde(default)]
+    /// 依赖 url loadder, 顶级 await
+    pub preload: bool,
+    /// 未实现
     pub hmr: bool,
+    /// 未实现
+    pub lazy_view: bool,
 }
 
 #[plugin_transform]
@@ -39,20 +39,19 @@ pub fn process_transform(mut program: Program, data: TransformPluginProgramMetad
 
     let filename = data.get_context(&TransformPluginMetadataContextKind::Filename);
 
-    // 执行在每个文件
-    if config.auto_import_dts {
-        gen_once_dts();
-    }
-
     program.visit_mut_with(&mut (
         Optional {
             // 只支持原生装饰器或 `runPluginFirst`，不然被转译了，改写不了
             enabled: true,
             visitor: memo_transform(),
         },
         Optional {
-            enabled: config.auto_import,
-            visitor: import_transform(),
+            enabled: match config.auto_import {
+                AutoImport::Gem(enabeld) => enabeld,
+                AutoImport::Custom(_) => true,
+            },
+            // 执行在每个文件
+            visitor: import_transform(config.auto_import, config.auto_import_dts),
         },
         Optional {
             enabled: config.style_minify,
@@ -62,6 +61,10 @@ pub fn process_transform(mut program: Program, data: TransformPluginProgramMetad
             enabled: config.resolve_path,
             visitor: path_transform(filename.clone()),
         },
+        Optional {
+            enabled: config.preload,
+            visitor: preload_transform(),
+        },
     ));
 
     program
@@ -77,7 +80,7 @@ mod tests {
         assert_eq!(
             config,
             PluginConfig {
-                auto_import: true,
+                auto_import: AutoImport::Gem(true),
                 ..Default::default()
             }
         )